In January, the weather in Courmayeur is typically freezing. Average daily high temperature in January is about 4 degrees below zero. On average, Courmayeur has 18 snowy, 6 sunny, 5 cloudy, and 2 partly cloudy days in January. The snowfalls are usually heavy. January as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Courmayeur.